0089a26a13
rally.deploy.engine.EngineFactory is base class for every engine.
All engines should be added to rally.deploy.engines.some_module.py
Example of usage:
# Add new engine with __name__ == 'A'
class A(EngineFactory):
def __init__(self, config):
# do something
def deploy(self):
# Do deployment and return endpoints of openstack
return {} # here should be endpoints
def cleanup(self):
# Destory OpenStack deployment and free resource
Now to use new engine 'A' we should use with statement:
with EngineFactory.get_engine('A', some_config) as deployment:
# deployment is returned value of deploy() method
# do all stuff that you need with your cloud
88 lines
2.8 KiB
Python
88 lines
2.8 KiB
Python
# vim: tabstop=4 shiftwidth=4 softtabstop=4
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# Copyright 2013: Mirantis Inc.
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# All Rights Reserved.
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#
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# Licensed under the Apache License, Version 2.0 (the "License"); you may
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# not use this file except in compliance with the License. You may obtain
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# a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations
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# under the License.
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"""Test for deploy engines."""
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from rally.deploy import engine as deploy_engine
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from rally import exceptions
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from rally import test
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class EngineFactoryTestCase(test.NoDBTestCase):
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def test_get_engine_not_found(self):
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self.assertRaises(exceptions.NoSuchEngine,
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deploy_engine.EngineFactory.get_engine,
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"non_existing_engine", None)
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def _create_fake_engines(self):
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class EngineMixIn(object):
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def deploy(self):
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pass
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def cleanup(self):
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pass
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class EngineFake1(EngineMixIn, deploy_engine.EngineFactory):
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def __init__(self, config):
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pass
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class EngineFake2(EngineMixIn, deploy_engine.EngineFactory):
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def __init__(self, config):
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pass
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class EngineFake3(EngineFake2):
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def __init__(self, config):
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pass
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return [EngineFake1, EngineFake2, EngineFake3]
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def test_get_engine(self):
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engines = self._create_fake_engines()
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for e in engines:
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engine_inst = deploy_engine.EngineFactory.get_engine(e.__name__,
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None)
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# TODO(boris-42): make it work through assertIsInstance
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self.assertEqual(str(type(engine_inst)), str(e))
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def test_get_available_engines(self):
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engines = [e.__name__ for e in self._create_fake_engines()]
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real_engines = deploy_engine.EngineFactory.get_available_engines()
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self.assertEqual(sorted(engines), sorted(real_engines))
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def test_engine_factory_is_abstract(self):
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self.assertRaises(TypeError, deploy_engine.EngineFactory)
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def test_with_statement(self):
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class A(deploy_engine.EngineFactory):
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def __init__(self, config):
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pass
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def deploy(self):
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self.deployed = True
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return self
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def cleanup(self):
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self.cleanuped = True
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with deploy_engine.EngineFactory.get_engine('A', None) as deployment:
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self.assertTrue(deployment.deployed)
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self.assertTrue(deployment.cleanuped)
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